22 May Malco Tools Marks ’75 Years of Hard Work and Progress’
Malco was founded in 1950 by Mark W. Keymer, a young steel supply salesman who invented a pipe crimper for installing sheet metal ductwork used in forced-air heating systems. ...
Malco was founded in 1950 by Mark W. Keymer, a young steel supply salesman who invented a pipe crimper for installing sheet metal ductwork used in forced-air heating systems. ...